• the two wires are electrically identical, but are marked to identify the correct audio signal polarity.
• speaker wire is used to make the electrical connection between loudspeakers and audio amplifiers.
• most commonly, speaker wire comes in the form of zip cord.
• modern speaker wire consists of two or more electrical conductors individually insulated by plastic (such as pvc, pe or teflon) or, less commonly, rubber.
• audio speaker cable oxygen free copper conductor flexible pvc jacket